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Comparative Transcriptome Analysis of the Effects of a Non-Insect Artificial Diet on the Nutritional Development of Harmonia axyridis

文献类型： 外文期刊

作者： Zhang, Tingting 1 ; Yu, Yinchen 1 ; Li, Jianyu 3 ; Zheng, Li 4 ; Chen, Shiwei 1 ; Mao, Jianjun 5 ;

作者机构： 1.Fuzhou Univ, Sch Adv Mfg, Jinjiang 362251, Peoples R China

2.Fuzhou Univ, Jinjiang City Fuzhou Univ Sci & Educ Pk Dev Ctr, Jinjiang 362251, Peoples R China

3.Univ Massachusetts Amherst, Stockbridge Sch Agr, Amherst, MA 01003 USA

4.Minist Nat Resources, Inst Oceanog 1, Key Lab Marine Ecoenvironm Sci & Technol, Qingdao 266061, Peoples R China

5.Chinese Acad Agr Sci, Inst Plant Protect, Key Lab Nat Enemy Insects, State Key Lab Biol Plant Dis & Insect Pests,Minist, Beijing 100193, Peoples R China

关键词： transcriptome; nutritional; artificial diet; H. axyridis; juvenile hormone III

期刊名称：INSECTS （ 影响因子：2.9； 五年影响因子：3.3 ）

ISSN：

年卷期： 2025 年 16 卷 4 期

页码：

收录情况： SCI

摘要： Artificial diets applied in the mass-rearing propagation of H. axyridis can improve reproductive ability by optimizing the feeding formula. This study used transcriptome data to investigate the effects of various artificial diets on the growth and development of H. axyridis. Results indicate that spawning increased with the low-fat and JH III-supplemented artificial diet (Diet 3). Furthermore, the highest glycogen content found in Diet 3 was significantly different from the other two groups. Triglyceride content decreased as adult feeding time increased in the three artificial diet groups, with the fastest decrease observed in the low-fat diet (Diet 2). Protein content increased gradually in the high-fat diet (Diet 1) group compared to the other treatment groups. The adults reared on low-fat artificial diets, when compared to those on artificial diets supplemented with juvenile hormones at the transcriptome level, were found to have upregulated genes enriched in ubiquitin-mediated proteolysis, ribosome biogenesis, and the hedgehog signaling pathway. In contrast, the genes upregulated in the latter group were enriched in oxidative phosphorylation, amino acid biosynthesis, and the metabolism of other amino acids. The results suggest that nutritional status significantly affects the growth and development of H. axyridis and has practical implications for the artificial feeding of natural pest enemies.

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